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Cyanide works by making the human body unable to use oxygen.
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Asthma cases in Americans are about 75% higher today than they were in 1980.